Regular exercise does more than strengthen the heart. New research reveals that it actually reshapes the nerves controlling how the heart functions, and the changes are surprisingly different on the left and right sides of the body. Exercise doesn’t just strengthen your heart. It rewires it.
It rewires it Science News from research organizations Exercise doesn’t just strengthen your heart. New research suggests it also physically reshapes the nerves that control the heart, revealing an unexpected difference between the left and right sides of the body. Scientists at the University of Bristol (UK) discovered that moderate aerobic exercise changes the structure of nerve cells involved in regulating heart activity.
Even more surprisingly, the changes were dramatically different on the two sides of the body. The findings, published in Autonomic Neuroscience, could eventually help doctors develop more precise treatments for irregular heartbeats, chest pain, angina, and stress-induced ‘broken-heart’ syndrome. The discovery was made in rats, so further research is needed to determine whether the same changes occur in humans.
Nevertheless, it offers a new perspective on how physical activity influences the nervous system that keeps the heart functioning.
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